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Expleo

Data Analyst Sénior

Expleo Lisbon, Portugal

IT Services and IT Consulting · 10,001+ employees

Yesterday
data-analyst Senior (5-10 yrs) Full-time Portugal
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About the role

Analyze and document business requirements for BI projects, then design and develop semantic models, datasets, data models, and ETL mapping rules. Interpret data, conduct user acceptance testing and data quality checks, and provide training and support for BI reporting tools.

What they look for

SQL Business Intelligence Data Modeling Dimensional Modeling Star Schema Snowflake Schema Power BI Tableau ETL Mapping Data Analysis Data Interpretation Data Quality Assurance User Acceptance Testing Requirements Analysis Communication Stakeholder Collaboration

Requirements

Requires strong SQL and analytical skills, knowledge of dimensional data modeling, and experience developing datasets and semantic models with Power BI, Tableau, or similar tools. Candidates must be able to translate business needs into technical specifications and communicate effectively with business stakeholders and technical teams.

Full description

Overview

Expleo is a trusted partner for your innovation journey. As a global engineering, technology and consulting service provider, we are ideally positioned to help you achieve your ambitions and future-proof your business. With a smart blend of bold thinking and reliable execution, we’re able to fast-track innovation through each step of your value chain.

We are strategically positioned to build value, with global footprint across 30 countries.We are as global and local as you need us to be, with strong best-in-class pan-European technological centres and unique best-shoring capabilities.

We leverage a network of high value-adding affiliates in consulting and industrial excellence, and leading partners across multiple sectors to provide you with the most comprehensive services and solutions in an ever-changing environment.

Responsibilities

-Analyse and document business requirements for BI projects.

-Design and develop BI semantic models and datasets.

-Collaborate with business stakeholders and technical teams to translate business needs into data insights and technical requirements.

-Analyse and interpret data from relational source systems and BI platforms.

-Define data models and ETL mapping rules based on business requirements.

-Conduct User Acceptance Testing (UAT) and ensure data quality and accuracy.

-Provide training and support to users of BI reporting tools.

Essential skills

-Strong SQL skills.

-Knowledge of BI data modelling concepts, including dimensional modelling (Star Schema and/or Snowflake Schema).

-Strong analytical skills and the ability to interpret data from relational databases and BI systems.

-Ability to translate business requirements into technical specifications, including data models and ETL mapping rules.

-Experience developing datasets and semantic models using Power BI, Tableau, or similar BI reporting tools.

-Strong communication skills, with the ability to collaborate effectively with both technical teams and business stakeholders.

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